This manual covers the TCL NT21B68S color television, highlighting its program navigation, calendar, world clock, timer, and game functions. It also lists the supported video standards (PAL, NTSC, SECAM) and input options such as DVD component, audio, and antenna connections.
The document provides step‑by‑step instructions for powering the TV on and off, searching for channels automatically or manually, adjusting picture settings (brightness, contrast, color, sharpness), configuring audio (volume, smart volume), using the built‑in games, and diagnosing common faults such as no signal or abnormal sound. This manual is written in Chinese.
| Voltage Range | 180‑250 V 50 Hz |
|---|---|
| Weight | 22.5 kg |
| Dimensions (W×H×D) | 40 mm × 108 mm × 496 mm |
Enter the picture menu (often labeled “Picture” or “图恤”) and use the remote to modify brightness, contrast, color, sharpness, and other picture parameters.
Verify that the power is on, the antenna or input cable is securely connected, and that the TV is set to the correct input source.